Your onsite wastewater system is a valuable property asset.
This website provides consumers and property owners across British Columbia with the information they need to understand their role and responsibilities in regards to their onsite sewage treatment system.
Topics covered include:
Regulations and owner responsibilities
Types of systems
Maintenance requirements
Owner safety
What to do in an emergency
How to find a Registered Onsite Wastewater Practitioner (ROWP)
How to make a complaint
Contacts and links to available resources
Your onsite wastewater system is a valuable property asset. When functioning as designed and properly maintained, your system will serve your household needs and return water into the environment that is safe.
The Applied Science Technologists & Technicians of British Columbia (ASTTBC) is the provincial registering body for Registered Onsite Wastewater Practitioners (ROWPs).
We are committed to ensuring our members meet practice requirements with professionalism and integrity.
ASTTBC’s mission is to serve the public by regulating and supporting Technology Professionals and their commitment to a safe, healthy and sustainable society and environment throughout BC. Visit for more information.